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Cited by 319

The DOI matches its Crossref record; 55 of the 55 references it cites were found in a registry or an index.

T cells in multiple myeloma display features of exhaustion and senescence at the tumor site

Open access
Zelle-Rieser, Claudia, Thangavadivel, Shanmugapriya, Biedermann, Rainer, Brunner, Andrea, Stoitzner, Patrizia, Willenbacher, Ella, Greil, Richard, Jöhrer, Karin·2016·Journal of Hematology & Oncology

Abstract

BACKGROUND: Multiple myeloma is an incurable plasma cell malignancy that is mostly restricted to the bone marrow. Cancer-induced dysfunction of cytotoxic T cells at the tumor site may be responsible for immune evasion and therapeutical failure of immunotherapies. Therefore, enhanced knowledge about the actual status of T cells in myeloma bone marrow is urgently needed. Here, we assessed the expression of inhibitory molecules PD-1, CTLA-4, 2B4, CD160, senescence marker CD57, and CD28 on T cells of naive and treated myeloma patients in the bone marrow and peripheral blood and collected data on T cell subset distribution in both compartments. In addition, T cell function concerning proliferation and expression of T-bet, IL-2, IFNγ, and CD107a was investigated after in vitro stimulation by CD3/CD28. Finally, data was compared to healthy, age-matched donor T cells from both compartments. METHODS: H-thymidine incorporation. Statistical analyses were performed utilizing unpaired T test and Mann-Whitney U test. RESULTS: We observed enhanced T cell exhaustion and senescence especially at the tumor site. CD8+ T cells expressed several molecules associated with T cell exhaustion (PD-1, CTLA-4, 2B4, CD160) and T cell senescence (CD57, lack of CD28). This phenotype was associated with lower proliferative capacity and impaired function. Despite a high expression of the transcription factor T-bet, CD8+ T cells from the tumor site failed to produce IFNγ after CD3/CD28 in vitro restimulation and displayed a reduced ability to degranulate in response to T cell stimuli. Notably, the percentage of senescent CD57+CD28- CD8+ T cells was significantly lower in treated myeloma patients when compared to untreated patients. CONCLUSIONS: T cells from the bone marrow of myeloma patients were more severely impaired than peripheral T cells. While our data suggest that terminally differentiated cells are preferentially deleted by therapy, immune-checkpoint molecules were still present on T cells supporting the potential of checkpoint inhibitors to reactivate T cells in myeloma patients in combination therapies. However, additional avenues to restore anti-myeloma T cell responses are urgently needed.

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Metadata

Authors
Zelle-Rieser, C., Thangavadivel, S., Biedermann, R., Brunner, A., Stoitzner, P., Willenbacher, E., Greil, R., & Jöhrer, K.
Venue
Journal of Hematology & Oncology
Published
2016-11-03
Volume
9
Issue
1
Pages
116-116
ISSN
1756-8722 (ISSN-L)
OpenAlex
W2548238752
Cited by
319
References
55
FWCI
12.11
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: T cells in multiple myeloma display features of exhaustion and senescence at the tumor site. https://app.cochat.ai/papers/10.1186/s13045-016-0345-3
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Zelle-Rieser, C., Thangavadivel, S., Biedermann, R., Brunner, A., Stoitzner, P., Willenbacher, E., Greil, R., & Jöhrer, K. (2016). T cells in multiple myeloma display features of exhaustion and senescence at the tumor site. Journal of Hematology & Oncology. https://doi.org/10.1186/s13045-016-0345-3

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